<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        .fancy {
            fill: none;
            stroke: black;
            stroke-width: 3pt;
        }
        
        .block {
            fill: black;
            stroke: black;
            stroke-width: 3pt;
        }
    </style>
</head>

<body>
    <svg width='700' height='500'>
        <!-- 每一组为一个点 -->
        <!-- <polyline points="20,70 40,50 60,70" fill="black" stroke="black"></polyline>
        <polyline points="60,70 80,50 100,70" fill="black" stroke="black"></polyline>
        <polyline points="100,70 120,50 140,70" fill="black" stroke="black"></polyline>
        <polyline points="10,70 130,70 130,180 , 10 180" fill="black" stroke="black"></polyline> -->


        <polyline points="30,70 50,50 70,70" fill="black" stroke="black"></polyline>
        <polyline points="70,70 90,50 110,70" fill="black" stroke="black"></polyline>
        <polyline points="110,70 130,50 150,70" fill="black" stroke="black"></polyline>
        <polyline points="10,70 160,70 160,190 ,10 190 10,70"
        fill="none" stroke="black" stroke-width="5"></polyline>
        <circle cx="45"  cy="110" r="20" class="fancy" id="eye"/> 
        <circle cx="50"  cy="115" r="5" class="block" id="saeye"/> 
        <use href="#eye" x="75" y="0"></use>
        <use href="#saeye" x="75" y="0"></use>
        <polyline points="70,150 80,120 90,150 " fill="black" stroke="black"> </polyline>
         <ellipse cx="80" cy="170" ry="15" rx="25" stroke="black" stroke-width="5" fill="silver" />

    </svg>

</body>

</html>